/*
 * TeleStax, Open Source Cloud Communications  Copyright 2012.
 * and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.mobicents.protocols.ss7.cap.service.gprs.primitive;

import java.io.IOException;

import org.mobicents.protocols.asn.AsnException;
import org.mobicents.protocols.asn.AsnInputStream;
import org.mobicents.protocols.asn.AsnOutputStream;
import org.mobicents.protocols.asn.Tag;
import org.mobicents.protocols.ss7.cap.api.CAPException;
import org.mobicents.protocols.ss7.cap.api.CAPParsingComponentException;
import org.mobicents.protocols.ss7.cap.api.CAPParsingComponentExceptionReason;
import org.mobicents.protocols.ss7.cap.api.primitives.AppendFreeFormatData;
import org.mobicents.protocols.ss7.cap.api.service.gprs.primitive.FCIBCCCAMELsequence1;
import org.mobicents.protocols.ss7.cap.api.service.gprs.primitive.FreeFormatData;
import org.mobicents.protocols.ss7.cap.api.service.gprs.primitive.PDPID;
import org.mobicents.protocols.ss7.cap.primitives.SequenceBase;
import org.mobicents.protocols.ss7.map.api.MAPParsingComponentException;

/**
 * 
 * @author Lasith Waruna Perera
 * 
 */
public class FCIBCCCAMELsequence1Impl  extends SequenceBase  implements FCIBCCCAMELsequence1{
	
	public static final int _ID_freeFormatData = 0;
	public static final int _ID_pdpID = 1;
	public static final int _ID_appendFreeFormatData = 2;
	
	public static final int _ID_FCIBCCCAMELsequence1 = 0;
	
	private FreeFormatData freeFormatData;
	private PDPID pdpID;
	private AppendFreeFormatData appendFreeFormatData;
	
	
	public FCIBCCCAMELsequence1Impl() {
		super("FCIBCCCAMELsequence1");
	}

	public FCIBCCCAMELsequence1Impl(FreeFormatData freeFormatData, PDPID pdpID,
			AppendFreeFormatData appendFreeFormatData) {
		super("FCIBCCCAMELsequence1");
		this.freeFormatData = freeFormatData;
		this.pdpID = pdpID;
		this.appendFreeFormatData = appendFreeFormatData;
	}

	@Override
	public FreeFormatData getFreeFormatData() {
		return this.freeFormatData;
	}
	@Override
	public PDPID getPDPID() {
		return this.pdpID;
	}
	@Override
	public AppendFreeFormatData getAppendFreeFormatData() {
		return this.appendFreeFormatData;
	}
	
	@Override
	public int getTag() throws CAPException {
		return _ID_FCIBCCCAMELsequence1;
	}

	@Override
	public int getTagClass() {
		return Tag.CLASS_CONTEXT_SPECIFIC;
	}
	
	
	@Override
	protected void _decode(AsnInputStream asnIS, int length)
			throws CAPParsingComponentException, IOException, AsnException,
			MAPParsingComponentException {

		this.freeFormatData = null;
		this.pdpID = null;
		this.appendFreeFormatData = AppendFreeFormatData.overwrite;
		
		AsnInputStream ais = asnIS.readSequenceStreamData(length);
		while (true) {
			if (ais.available() == 0)
				break;

			int tag = ais.readTag();

			if (ais.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC) {
				switch (tag) {
				case _ID_freeFormatData:
					if (!ais.isTagPrimitive())
						throw new CAPParsingComponentException(
								"Error while decoding " + _PrimitiveName + ".freeFormatData: Parameter is not primitive",
								CAPParsingComponentExceptionReason.MistypedParameter);
					this.freeFormatData = new FreeFormatDataImpl();
					((FreeFormatDataImpl) this.freeFormatData).decodeAll(ais);
					break;			
				case _ID_pdpID:
					if (!ais.isTagPrimitive())
						throw new CAPParsingComponentException(
								"Error while decoding " + _PrimitiveName + ".pdpID: Parameter is not primitive",
								CAPParsingComponentExceptionReason.MistypedParameter);
					this.pdpID = new PDPIDImpl();
					((PDPIDImpl) this.pdpID).decodeAll(ais);
					break;
				case _ID_appendFreeFormatData:
					if (!ais.isTagPrimitive())
						throw new CAPParsingComponentException(
								"Error while decoding " + _PrimitiveName + ".appendFreeFormatData: Parameter is not primitive",
								CAPParsingComponentExceptionReason.MistypedParameter);
					int i1 = (int) ais.readInteger();
					this.appendFreeFormatData = AppendFreeFormatData.getInstance(i1);
					break;
				default:
					ais.advanceElement();
					break;
				}
			} else {
				ais.advanceElement();
			}
		}
		
		
		if (this.freeFormatData == null)
			throw new CAPParsingComponentException("Error while decoding " + _PrimitiveName + ": parameter freeFormatData is mandatory but not found",
					CAPParsingComponentExceptionReason.MistypedParameter);
		
	
	}
	
	@Override
	public void encodeData(AsnOutputStream asnOs) throws CAPException {

		if (this.freeFormatData == null)
			throw new CAPException("Error while encoding " + _PrimitiveName + ": freeFormatData must not be null");

		try {

			((FreeFormatDataImpl) this.freeFormatData).encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, _ID_freeFormatData);
			
			if (this.pdpID != null)
				((PDPIDImpl) this.pdpID).encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, _ID_pdpID);
			
			if(this.appendFreeFormatData!=null){
				asnOs.writeInteger(Tag.CLASS_CONTEXT_SPECIFIC, _ID_appendFreeFormatData, this.appendFreeFormatData.getCode());
			}
			
		} catch (AsnException e) {
			throw new CAPException("AsnException when encoding " + _PrimitiveName + ": " + e.getMessage(), e);
		} catch (IOException e) {
			throw new CAPException("AsnException when encoding " + _PrimitiveName + ": " + e.getMessage(), e);
		}
	}
	

	@Override
	public String toString() {
		StringBuilder sb = new StringBuilder();
		sb.append(_PrimitiveName + " [");

		if (this.freeFormatData != null) {
			sb.append("freeFormatData=");
			sb.append(this.freeFormatData.toString());
			sb.append(", ");
		}
		
		if (this.pdpID != null) {
			sb.append("pdpID=");
			sb.append(this.pdpID.toString());
			sb.append(", ");
		}
		
		if (this.appendFreeFormatData != null) {
			sb.append("appendFreeFormatData=");
			sb.append(this.appendFreeFormatData.toString());
		}

		sb.append("]");

		return sb.toString();
	}
	
	
}
